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  1. Replies
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    Re: Mite levels

    estreya, break the boxes apart and sift one cup of PS over the top bars of each box and cross brush the sugar between the frames. There is no need to remove the frames. From taking off the outer...
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    Re: Mite levels

    Sugar dusting is good for reducing the growth rate of the varroa population, and if done when there is little or no eggs/brood over 7 days old, you can remove many mites. It is good for 5 frame nucs...
  3. Re: Active brood nest VS winter cluster movement.

    The only way to keep the brood nest in the bottom super is by using a queen excluder. You would need to make sure the 10 frames in the bottom deep are as perfectly drawn as possible. The books say...
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    Re: Buying Healthy Bees?

    There is no rating system that I am aware of. Try contacting any local beekeeping associations, they may be able to give you the name of a supplier. Talking with customers and finding out what...
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    Re: Mite levels

    Sqkcrk, when I first started sugar dusting I also did treatments with Mite Away Formic Acid Pads. I had sticky boards on the colonies and I would count the mites that fell. When I did the sugar...
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    Re: Mite levels

    Estreya, First the bad news, if you dropped 200 with a sugar dusting there are 4 to 5000 mites in the colony, at least that is what my experience has been. Deformed wing virus damages the wings of...
  7. Re: Active brood nest VS winter cluster movement.

    Yes, the bee cluster moves up as they use food stores during fall and winter. Some studies have shown that the cluster will also move down to stores, as well as sideways. Go to the Resources...
  8. Re: Thesis documents broad scale adoption of VSH lineage by queen breeders

    It is definitely part of the mix in my bees that have had no or few treatments since 2006.
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    Re: Question on Queen Excluders

    The excluders that are made with steel wire do not damage bee wings. The old zinc excluders that were sheets with stamped out openings did do damage, but those have not been in use for years. If...
  10. Re: Local absence and local extinction, a confounding factor in TF prescriptions

    It is possible to disagree without being disagreeable. I know that treatment free or at least semi-treatment free is possible, at least for hobbyist.

    What I see here, in this forum, are...
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    Re: What I learned today

    I don't try to shave with it, but I like my hive tool to be sharp on both ends. I guess it's my inexperience showing.
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    Re: first sugar dust

    You need to count the number of brown varroa that are on the sticky board, it is hard to tell from a photo. If the numbers are greater than those recommended for your area you will need to decide...
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    Re: first sugar dust

    90% of all the mites that will fall will drop in the first 10 minutes. You can check and count then, or you can wait an hour and then count. You will have very few drop after the first hour.
  14. Re: DO I need to treat first year package bees for mites?

    The number of mites that signal a need for treatment differs from state to state. Here the recommended treatment numbers are an average of 50 to 150 per 24 hours. Check with your state apiary...
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    Re: survival of individual colonies

    Mr. Bispham, do you understand why a colony may have a sudden and large increase in it's varroa population late in the season?
  16. Re: Measuring varroa based on number found in brood

    According to Swiss research varroa in drone cells is not a good way to estimate varroa populations. Varroa numbers increase and decrease, they have had changes up to 600% in the space of a week. ...
  17. Re: spacer between honey super and brood box?

    I use 3/8 inch strips on the top of the excluder and the bees respect the space above the excluder. I think that because the bees are using the open side as an entrance you may not have as much burr...
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    Re: Feeding nucs during dearth?

    You could take frames of food from the colony and give to the nucs, then feed the colony to replace their food stores.
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    Re: New Queen Question

    You will not be able to determine if she is laying drone eggs in worker cells until they are capped. This happens on day 9 after the egg is laid. If you mean what size and kind of pattern she is...
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    Re: Sugar dusting

    Yes Dominic, that is the booklet I was thinking of. I did not mean it for just information on PS dusting, but for overall information on varroa and their control. The Dutch method described was for...
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    Re: feeding question

    If you are not in a nectar flow, slow feed a colony improves the chances of queen acceptance. The feeding should begin a day or two before the caged queen is placed in the colony. Use a feeding...
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    Re: Sugar dusting

    Regular powdered sugar works well, no need to powder granulated sugar because of worries about corn starch. I would recommend powdered sugar over the pollen substitutes because the bees clean up the...
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    Re: Afterswarm tinimg

    I have seen after swarms in as little as 3 days after the prime swarm, but it is usually 7 to 9 days afterwards.
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    Re: Optimal queen excluder hole size?

    The distance between the wires of a queen excluder is .162 inches. In some cases it is better to not try to invent the wheel, it is better to purchase factory made excluders.
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    Re: Varroa and drone brood

    They not only know if the larvae is drone or worker, they can tell the age of the larvae. They enter the worker cell about 20 hours before it is due to be capped, getting their cue to enter from the...
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